:root {
  --asphalt: #1c1f24;
  --asphalt-2: #262b31;
  --concrete: #f4f1ec;
  --concrete-dim: #e7e3db;
  --marking: #f2b53b;
  --marking-deep: #d99412;
  --blueprint: #2f5d8a;
  --ink: #20242a;
  --ink-soft: #5b626b;
  --line: #d8d3c9;

  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --body: "Inter", "Helvetica Neue", Arial, sans-serif;
  --mono: "IBM Plex Mono", "SFMono-Regular", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--body);
  color: var(--ink);
  background: var(--concrete);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img { max-width: 100%; display: block; }

a { color: inherit; }

.wrap {
  width: min(1180px, 92vw);
  margin: 0 auto;
}

/* ---------- header ---------- */
.site-head {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(28, 31, 36, 0.96);
  border-bottom: 3px solid var(--marking);
  backdrop-filter: blur(6px);
}
.site-head .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--concrete);
}
.brand .mark {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--asphalt-2);
  border: 2px solid var(--marking);
  display: grid;
  place-items: center;
  font-family: var(--mono);
  font-weight: 700;
  color: var(--marking);
  font-size: 15px;
}
.brand b {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: 0.02em;
  font-size: 1.05rem;
  text-transform: uppercase;
}
.brand span {
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  color: var(--marking);
  display: block;
  margin-top: -2px;
}
.nav {
  display: flex;
  gap: 28px;
}
.nav a {
  text-decoration: none;
  color: var(--concrete);
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 600;
  opacity: 0.85;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
  transition: opacity 0.2s, border-color 0.2s;
}
.nav a:hover, .nav a:focus-visible {
  opacity: 1;
  border-color: var(--marking);
  outline: none;
}
.nav .cta {
  background: var(--marking);
  color: var(--asphalt);
  padding: 8px 16px;
  border-radius: 2px;
  border-bottom: none;
}
.nav .cta:hover { background: var(--marking-deep); }

@media (max-width: 760px) {
  .nav { gap: 14px; }
  .nav a { font-size: 0.72rem; letter-spacing: 0.04em; }
  .brand span { display: none; }
}

/* ---------- hero ---------- */
.hero {
  background:
    linear-gradient(180deg, rgba(28,31,36,0.92), rgba(28,31,36,0.86)),
    radial-gradient(120% 100% at 80% 0%, #2f3741 0%, var(--asphalt) 60%);
  color: var(--concrete);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 4px;
  background: repeating-linear-gradient(90deg, var(--marking) 0 38px, transparent 38px 76px);
}
.hero .wrap {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
  padding: 84px 0 96px;
}
.eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--marking);
  margin: 0 0 18px;
}
.hero h1 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(2.4rem, 5vw, 4rem);
  line-height: 1.02;
  margin: 0 0 22px;
  letter-spacing: -0.01em;
}
.hero h1 em {
  font-style: normal;
  color: var(--marking);
}
.hero p.lead {
  font-size: 1.12rem;
  max-width: 46ch;
  color: #d7d3cc;
  margin: 0 0 30px;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn {
  display: inline-block;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  padding: 13px 22px;
  border-radius: 2px;
  border: 2px solid transparent;
  transition: transform 0.15s, background 0.2s, color 0.2s;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--marking); color: var(--asphalt); }
.btn-primary:hover { background: var(--marking-deep); }
.btn-ghost { border-color: var(--concrete); color: var(--concrete); }
.btn-ghost:hover { background: var(--concrete); color: var(--asphalt); }

.hero-figure {
  border: 3px solid var(--marking);
  background: var(--asphalt-2);
  padding: 10px;
  transform: rotate(1.2deg);
  box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}
.hero-figure img { width: 100%; }

@media (max-width: 860px) {
  .hero .wrap { grid-template-columns: 1fr; padding: 56px 0 70px; }
  .hero-figure { max-width: 460px; margin: 0 auto; transform: none; }
}

/* ---------- road spine / sections ---------- */
.spine {
  position: relative;
}
.section {
  padding: 84px 0;
  position: relative;
}
.section.alt {
  background: var(--concrete-dim);
}
.section-head {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 40px;
}
.km {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--asphalt);
  background: var(--marking);
  padding: 4px 10px;
  border-radius: 2px;
  letter-spacing: 0.05em;
}
.section-head h2 {
  font-family: var(--display);
  font-weight: 800;
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  margin: 0;
  letter-spacing: -0.01em;
}
.section-head .sub {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
  margin-left: auto;
}

/* dashed center line between sections */
.roadline {
  height: 0;
  border-top: 4px dashed var(--marking);
  opacity: 0.55;
  max-width: 1180px;
  margin: 0 auto;
}

/* ---------- services ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-top: 4px solid var(--asphalt);
  padding: 28px 26px;
  transition: transform 0.18s, box-shadow 0.18s, border-color 0.18s;
}
.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 18px 38px rgba(28,31,36,0.12);
  border-top-color: var(--marking);
}
.card .num {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--marking-deep);
  font-weight: 700;
}
.card h3 {
  font-family: var(--display);
  font-weight: 800;
  font-size: 1.25rem;
  margin: 10px 0 12px;
}
.card p { margin: 0; color: var(--ink-soft); font-size: 0.96rem; }

@media (max-width: 820px) { .cards { grid-template-columns: 1fr; } }

/* ---------- about ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.about-grid p { color: var(--ink-soft); }
.about-grid .facts {
  list-style: none;
  padding: 0;
  margin: 24px 0 0;
  display: grid;
  gap: 14px;
}
.about-grid .facts li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  border-left: 3px solid var(--marking);
  padding-left: 14px;
}
.about-grid .facts b {
  font-family: var(--display);
  font-size: 1.3rem;
  display: block;
  color: var(--asphalt);
}
.about-grid .facts span { font-size: 0.86rem; color: var(--ink-soft); }
@media (max-width: 820px) { .about-grid { grid-template-columns: 1fr; } }

/* ---------- contact ---------- */
.contact {
  background: var(--asphalt);
  color: var(--concrete);
}
.contact .section-head h2 { color: var(--concrete); }
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}
.contact-info dt {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--marking);
  margin-top: 22px;
}
.contact-info dd {
  margin: 4px 0 0;
  font-size: 1.05rem;
}
.contact-info a { text-decoration: none; border-bottom: 1px solid var(--marking-deep); }
.contact-info a:hover { color: var(--marking); }
.form label {
  display: block;
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #c7c2b9;
  margin: 16px 0 6px;
}
.form input, .form textarea {
  width: 100%;
  background: var(--asphalt-2);
  border: 1px solid #3a414a;
  color: var(--concrete);
  padding: 12px 14px;
  font-family: var(--body);
  font-size: 1rem;
  border-radius: 2px;
}
.form input:focus, .form textarea:focus {
  outline: none;
  border-color: var(--marking);
}
.form textarea { resize: vertical; min-height: 120px; }
.form button {
  margin-top: 18px;
  background: var(--marking);
  color: var(--asphalt);
  border: none;
  padding: 13px 24px;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  border-radius: 2px;
  cursor: pointer;
  transition: background 0.2s;
}
.form button:hover { background: var(--marking-deep); }
@media (max-width: 820px) { .contact-grid { grid-template-columns: 1fr; } }

/* ---------- footer ---------- */
.site-foot {
  background: #111418;
  color: #9aa0a8;
  padding: 36px 0;
  font-size: 0.84rem;
}
.site-foot .wrap {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  align-items: center;
}
.site-foot .mono { font-family: var(--mono); letter-spacing: 0.08em; }

/* ---------- focus + motion ---------- */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 3px solid var(--blueprint);
  outline-offset: 2px;
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto; }
}
.reveal { opacity: 0; transform: translateY(16px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }